webpack.config.js

const path = require('path');
const VueLoaderPlugin = require('vue-loader/lib/plugin');
const MiniCssExtractPlugin = require("mini-css-extract-plugin");


module.exports = {
    mode: 'production',
    entry: {
        'vault-423': ['./src/resources/js/app.js', './src/resources/scss/app.scss']
    },
    output: {
        filename: 'vault-423.js',
        path: path.resolve('./src/', 'dist')
    },
    module: {
        rules: [
            // ... other rules
            {
                test: /\.vue$/,
                loader: 'vue-loader'
            },
            {
                test: /\.m?js$/,
                exclude: /(node_modules|bower_components)/,
                use: {
                    loader: 'babel-loader',
                    options: {
                        presets: ['@babel/preset-env']
                    }
                }
            },
            // this will apply to both plain `.css` files
            // AND `<style>` blocks in `.vue` files
            {
                test: /\.css$/,
                use: [
                    'vue-style-loader',
                    'css-loader'
                ]
            },
            {
                test: /\.scss$/,
                use: [
                    MiniCssExtractPlugin.loader,
                    {
                        loader: "css-loader" 
                    }, {
                        loader: "sass-loader"
                    }
                ]
            },
            {
                test: /\.woff(2)?(\?v=[0-9]\.[0-9]\.[0-9])?$/,
                include: path.resolve(__dirname, 'src/resources'),
                use: [
                    {
                        loader: 'url-loader',
                        options: {
                            limit: 1000,
                            mimetype: 'application/font-woff'
                        }
                    }

                ]
            }, {
                test: /\.(ttf|eot|svg)(\?v=[0-9]\.[0-9]\.[0-9])?$/,
                include: path.resolve(__dirname, 'src/resources'),
                loader: 'file-loader'
            }
        ]
    },
    plugins: [
        // make sure to include the plugin!
        new VueLoaderPlugin(),
        new MiniCssExtractPlugin({
            // Options similar to the same options in webpackOptions.output
            // both options are optional
            filename: "[name].css",
            chunkFilename: "[id].css"
        })
    ],
    resolve: {
        alias: {
            vue: 'vue/dist/vue.min.js'
        }
    }
};